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Begin, Rescue and Ensure in Ruby?
I've recently started programming in Ruby, and I am looking at exception handling.
7 Answers
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Django template tag to truncate text
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You should write a custom template filter: http://docs.djangoproject.com/en/dev/howto/custom-template-tags/#writing-custom-template-filters
Have a look at how truncatewords is built in django.utils.text
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Create a pointer to two-dimensional array
I need a pointer to a static 2-dimensional array. How is this done?
10 Answers
10
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hadoop No FileSystem for scheme: file
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Actually, I just added this maven dependency http://mvnrepository.com/artifact/org.apache.hadoop/hadoop-hdfs/2.2.0 to maven and problem solved.
– B.Mr.W.
Jul 16 '14 at 19:48
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Getting the minimum of two values in SQL
...UES (PaidThisMonth),(OwedPast)) AS value(x))
Credit due to this website:
http://sqlblog.com/blogs/jamie_thomson/archive/2012/01/20/use-values-clause-to-get-the-maximum-value-from-some-columns-sql-server-t-sql.aspx
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Using relative URL in CSS file, what location is it relative to?
...round: url("yellow") }
is located in a style sheet designated by the URI:
http://www.example.org/style/basic.css
The background of the source document's BODY will be tiled with whatever image is described by the resource designated by the URI
http://www.example.org/style/yellow
User agents may va...
How to wait for the 'end' of 'resize' event and only then perform an action?
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I had luck with the following recommendation: http://forum.jquery.com/topic/the-resizeend-event
Here's the code so you don't have to dig through his post's link & source:
var rtime;
var timeout = false;
var delta = 200;
$(window).resize(function() {
rtime = new...
Efficiently convert rows to columns in sql server
I'm looking for an efficient way to convert rows to columns in SQL server, I heard that PIVOT is not very fast, and I need to deal with lot of records.
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Pinging servers in Python
In Python, is there a way to ping a server through ICMP and return TRUE if the server responds, or FALSE if there is no response?
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Convert UTC/GMT time to local time
... look into using the System.TimeZoneInfo class if you are in .NET 3.5. See http://msdn.microsoft.com/en-us/library/system.timezoneinfo.aspx. This should take into account the daylight savings changes correctly.
// Coordinated Universal Time string from
// DateTime.Now.ToUniversalTime().ToString("u...